编录号在1970附近的反射星云
2023年2月2日 Reflections on the 1970s Image Credit & Copyright: Daniel Stern Explanation: The 1970s are sometimes ignored by astronomers, like this beautiful grouping of reflection nebulae in Orion – NGC 1977, NGC 1975, and NGC 1973 – usually overlooked in favor of the substantial glow from the nearby stellar nursery better known as the Orion N...